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MQSeries.net Forum IndexClusteringMSCS failover with shared folder path

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jfecq
PostPosted: Mon Nov 19, 2012 1:28 am Post subject: MSCS failover with shared folder path Reply with quote

Apprentice

Joined: 24 Sep 2012
Posts: 36

Hi,

Due to limitations, I am trying out deploying Windows 2008 failover clustering. However the configuration is that the queue manager resides on a shared folder path.

When I try to put it under MSCS control, it failed with the error 'The specified queue manager is already configured for multi-instance support and cannot be used.'

I wish to clarify that if a qm is created on a shared folder, MQ automatically detects it as multi instance hence unable for MSCS?
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exerk
PostPosted: Mon Nov 19, 2012 1:46 am Post subject: Reply with quote

Jedi Council

Joined: 02 Nov 2006
Posts: 6191

You have a choice - MSCS or MI. You can't have both together as one thing as MI relies on network drive availability and MSCS relies on 'same' disk availability.
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jfecq
PostPosted: Mon Nov 19, 2012 1:59 am Post subject: Reply with quote

Apprentice

Joined: 24 Sep 2012
Posts: 36

Yup I know is either or. So does that means MQ will detect qm created on shared folder is MI, and there is no way to 'turn it off'? Meaning able to use MSCS on shared folder?
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exerk
PostPosted: Mon Nov 19, 2012 2:04 am Post subject: Reply with quote

Jedi Council

Joined: 02 Nov 2006
Posts: 6191

jfecq wrote:
Yup I know is either or. So does that means MQ will detect qm created on shared folder is MI, and there is no way to 'turn it off'? Meaning able to use MSCS on shared folder?

You cannot use a shared folder for MSCS.
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It's puzzling, I don't think I've ever seen anything quite like this before...and it's hard to soar like an eagle when you're surrounded by turkeys.

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bruce2359
PostPosted: Mon Nov 19, 2012 6:25 am Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 8770
Location: US: west coast, almost. Otherwise, enroute.

jfecq wrote:
So does that means MQ will detect qm created on shared folder is MI?

No. There is more to creating an MI environment than just simply sharing a disk.
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gbaddeley
PostPosted: Mon Sep 14, 2020 10:30 pm Post subject: Reply with quote

Jedi

Joined: 25 Mar 2003
Posts: 2153
Location: Melbourne, Australia

At the risk of reviving a thread that is nearly 8 years old....

The error dialog "The specified queue manager is already configured for multi-instance support and cannot be used" displayed by amqmclxn (the Windows Failover Cluster Manager MQ resource config dialog) may also be produced by the way parameters are specified in the mqs.ini file.

In reply to previous posts, it doesn't seem to matter whether or not the MQ data dir is part of a Windows Share. Of course the MQ data dir needs to be on a disk drive that is a MSCS cluster resource.

The following works with strmqm & amqmdain to start a qmgr, but is not acceptable to amqmclxn:

Code:
QueueManager:
   Name=MQTEST1
   Prefix=D:\MQSeries  (same as the MQ DefaultPrefix data dir)
   Directory=MQTEST1
   DataPath=F:\MQData\qmgrs\MQTEST1
   InstallationName=Installation1


This works with strmqm, amqmdain, amqmclxn:

Code:
QueueManager:
   Name=MQTEST1
   Prefix=F:\MQData
   Directory=MQTEST1
   InstallationName=Installation1


FWIW, I'm using MQ 9.0 on Windows 2016.

HTH
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